#include <iostream.h>

class Poly
{  public:
      Poly() { pol = NULL;  };      // default constructor
      Poly(const int *p, int n);    // p supplies n terms
      Poly operator+(Poly q);       // poly addition
      Poly operator-(Poly q);       // poly subtraction
      Poly operator*(Poly q);       // poly multiplication
      unsigned deg()                // degree
      {   return(*pol);  }  
      void display();               // display host object
      // can not add destructor without copy constructor and =
      //~Poly() { delete [] pol; }
      //~Poly() { cout << pol << endl; delete [] pol; cout << "destructor\n"; }
      /*  other members  */
   private:
      static void s_to_d(int* buf, const int *p);
      int  *pol;
};